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Is your wallet becoming obsolete?

Even if you haven't dived into paying for lattes using the Starbucks smartphone app or tried to make purchases with the money-alternative bitcoin, chances are you're already participating in the cashless economy. Consumers made only 27 percent of all purchases in stores using cash in 2012, according to Javelin Strategy & Research, based in Pleasanton, Calif. And collectively, we spent $20 billion last year using mobile apps and browsers, the research and consulting firm found.

"Mobile payment has changed people's lives," said Jim Bruene, founder of The Finovate Group, which offered a glimpse of the financial and banking innovations ushering us into the cashless economy at its show FinovateFall2013 New York on Tuesday and Wednesday. (It was at one of Finovate's spring shows that the personal financial planning site Mint.com put itself on the map). Here are some new technologies that may change the way you handle your money in the increasingly cashless society of the future.